Question 2171
Which undiscovered element did Mendeleev name Eka-silicon?
Question 2172
What did Mendeleev predict about the melting point of Eka-aluminium (Gallium)?
Question 2173
Which property listed for Germanium in Table 3.3 matched Mendeleev's prediction exactly?
Question 2174
What did Mendeleev use to determine the similarities among elements besides their atomic weights?
Question 2175
Which element's placement challenged the strict order of atomic weights in Mendeleev's table?